Answer:
consumption often takes place within group settings or is in one way or another affected by group dynamics.
Explanation:
Sociology is the study of human behaviour, as an aspect related to - patterns of social relationships, social interactions, culture etc surrounding.
Consumer Behaviour is the study of how consumers choose to buy & consume a product.
So, sociology is relevant to consumer behaviour as :
Consumption often takes place within group settings or is in one way or another affected by group dynamics.